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Finding the Third Proportional to 583.50 and 1,386.50

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Solution

The third proportional to 583.50 and 1,386.50 is: 3,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.50 : 1,386.50 = 1,386.50 : x
  2. Step 2: Convert to fraction form
    583.50/1,386.50 = 1,386.50/x
  3. Step 3: Cross multiply
    583.50x = 1,386.50 × 1,386.50
  4. Step 4: Simplify right side
    583.50x = 1,922,382.25
  5. Step 5: Solve for x
    x = 1,922,382.25/583.50
  6. Step 6: Final answer
    x = 3,294.57

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.